Guitar Hero 4 is an Action game, developed by Neversoft Entertainment and published by Activision, which was cancelled before it was released.
Guitar Hero TV show, Call of Duty movie under consideration - Report Updated May 8, 2009
Guitar Hero tops $2 billion, Activision Blizzard earns $981 million in Q1 Updated May 7, 2009
Guitar Hero 5, Band Hero, DJ Hero confirmed for fall '09 Updated May 7, 2009
Activision trademarks 'Sing Hero' Updated Mar 11, 2009
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